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  • Control light with magnets and olive oil?! (Faraday effect)

  • Double Vision - Sixty Symbols

  • Explore additive light mixtures with this simple activity - Science Snacks

  • HOW IT WORKS: The Atomic Bomb (720p)

  • How obsessive artists colorize old photos

  • Lenses, refraction, and optical illusions of light

  • Newton's Prism Experiment

  • Shrinking microscope lenses

  • Speed of Light - Saturn

  • The Brightest Part of a Shadow is in the Middle

  • The Strange Universe of Gravitational Lensing | Space Time | PBS Digital Studios